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Cypress CY62146EV30 manual

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Table of contents for the manual

  • Page 1

    CY62146EV30 MoBL ® 4-Mbit (256K x 16) S t atic RAM Cypress Semiconduc tor Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 38-05567 Rev . * C Revised March 26, 2007 Features • V ery high speed: 45 ns • Wide voltage range: 2.20V–3.60V • Pin compatible with CY62146DV30 • Ultra low standby power ?[...]

  • Page 2

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 2 of 12 Logic Block Diagram Pin Configurations [3 , 4] 256K x 16 RAM Array IO 0 –IO 7 ROW DECODER A 8 A 7 A 6 A 5 A 2 COLUMN DECODER A 11 A 12 A 13 A 14 A 15 SENSE AMPS DATA IN DRIVERS OE A 4 A 3 IO 8 –IO 15 CE WE BHE A 16 A 0 A 1 A 9 A 10 BLE A 17 1 2 3 4 5 6 7 8 9 11 14 31 32 36 35 34 33 [...]

  • Page 3

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 3 of 12 Maximum Ratings Exceeding the maximum ratings may impair the useful life of the device. Thes e user guidelines are not te sted. S torage T emperature .............. .............. .... –65°C to + 150°C Ambient T emperature with Power Applied ........ ............... .............. .[...]

  • Page 4

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 4 of 12 Cap acitance (For All Packages) [9] Parameter Des cription T est Conditions Max Unit C IN Input Capacitance T A = 25°C, f = 1 MHz, V CC = V CC(typ) 10 pF C OUT Output Capacit ance 10 pF Thermal Resist ance [9] Parameter Descripti on T est Conditions VFBGA Package TSOP II Package Unit ?[...]

  • Page 5

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 5 of 12 Switching Characteristics (Over the Operating Range) [1 1, 12] Parameter Description 45 ns Unit Min Max Read Cycle t RC Read Cycle T ime 45 ns t AA Address to Data V alid 45 ns t OHA Data Hold from Address Change 10 ns t ACE CE LOW to Data V alid 45 ns t DOE OE LOW to Data V alid 22 ns [...]

  • Page 6

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 6 of 12 Switching W aveforms Read Cycle 1 (Address Tr a nsition Controlled) [16, 17] Read Cycle No. 2 (OE C ontrolled) [17, 18] PREVIOUS DA T A V ALID DA T A V ALID t RC t AA t OHA ADDRESS DA T A OUT 50% 50% DATA VALID t RC t ACE t LZBE t LZCE t PU HIGH IMPEDANCE I CC t HZOE t HZCE t PD t HZBE [...]

  • Page 7

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 7 of 12 Write Cycle No. 1 (WE Controlled) [15, 19, 20] Write Cycle No. 2 (CE Controlled) [15, 19, 20] Switching W aveforms (continued) t HD t SD t PWE t SA t HA t AW t WC t HZOE DATA IN NOTE 21 t BW t SCE DATA IO ADDRESS CE WE OE BHE /BLE t HD t SD t PWE t HA t AW t SCE t WC t HZOE DATA IN t BW[...]

  • Page 8

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 8 of 12 Write Cycle No. 3 (WE Controlled, OE LOW) [20] Write Cycle No. 4 (BHE /BLE Controlled , OE LOW) [20] Switching W aveforms (continued) DATA IN t HD t SD t LZWE t PWE t SA t HA t AW t SCE t WC t HZWE t BW NOTE 21 CE ADDRESS WE DATA IO BHE /BLE t HD t SD t SA t HA t AW t WC DATA IN t BW t [...]

  • Page 9

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 9 of 12 T ruth T able CE WE OE BHE BLE Inputs/Outputs Mode Power H X X X X High-Z Deselect/Power down S tandby (I SB ) L X X H H High-Z Outpu t Disabled Active (I CC ) L H L L L Data Out (IO 0 –IO 15 ) Read Active (I CC ) L H L H L Data Out (IO 0 –IO 7 ); IO 8 –IO 15 in High-Z Read Active[...]

  • Page 10

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 10 of 12 Package Diagrams Figure 1. 48-ball VFBGA (6 x 8 x 1 mm), 51-85150 A 1 A1 CORNER 0.75 0.75 Ø0.30±0.05(48X) Ø0.25 M C A B Ø0.05 M C B A 0.15(4X) 0.21±0.05 1.00 MAX C SEATING PLANE 0.55 MAX. 0.25 C 0.10 C A1 CORNER TOP VIEW BOTTOM VIEW 2 3 4 3.75 5.25 B C D E F G H 65 46 5 23 1 D H F[...]

  • Page 11

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 1 1 of 12 © Cypress Semicon ductor Corporation, 2006-20 07. The information contai ned herein is sub ject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than ci rcuitry embodied in a C ypress product. Nor does it convey [...]

  • Page 12

    CY62146EV30 MoBL ® Document #: 38-05567 Rev . *C Page 12 of 12 Document History Page Document Title:CY62146EV30 MoBL ® , 4-Mbit (256K x 16) St atic RAM Document Number: 38-05567 REV . ECN NO. Issue Date Orig. of Change D escription of Change ** 223225 See ECN AJU New Data Sheet *A 2 47373 See ECN SYT Changed Advance Information to Preliminary Mov[...]